diff --git a/dev-scripts/migrate-from-cdd.sh b/dev-scripts/migrate-from-cdd.sh
index af18cd5..d1f1d68 100644
--- a/dev-scripts/migrate-from-cdd.sh
+++ b/dev-scripts/migrate-from-cdd.sh
@@ -9,7 +9,7 @@ docker service rm captain-certbot captain-nginx && \
 (docker service rm captain-registry || true) && \
 sleep 3s && echo "waiting..." && sleep 3s && echo "waiting..." && \
 rm -rf /captain/generated && rm -rf /captain/temp && \
-tar -czvf /captain-bk-$(date +%Y_%m_%d_%H_%M_%S).tar /captain && \
+tar -cvf /captain-bk-$(date +%Y_%m_%d_%H_%M_%S).tar /captain && \
 mkdir -p /captain/data && \
 mv /captain/letencrypt /captain/data/ && \
 mv /captain/nginx-shared /captain/data/ && \